class_docstr: ImageSet wraps a set of ImageFeature
code: def from_image_frame(cls, image_frame, bigdl_type="float"):
      return ImageSet(
          jvalue=callZooFunc(
              bigdl_type, "imageFrameToImageSet", image_frame
          )
      )
  
imports: from bigdl.dllib.feature.transform.vision.image import ImageFrame
  from bigdl.dllib.utils.common import *
  from bigdl.dllib.utils.file_utils import callZooFunc
  from bigdl.dllib.utils.log4Error import *
label_desc: Use image node_id 6 for calling the ImageSet obj's underlying member method code with example usage: obj.from_image_frame(cls, image_frame, bigdl_type) and returns: ImageSet